312449150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{863}}^1$

素因数の和:1445

約数の個数: 48

約数和(自身を含む): 627709824

約数和(自身を除く): 315260674

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 557, 650, 863, 1114, 1726, 2785, 4315, 5570, 7241, 8630, 11219, 13925, 14482, 21575, 22438, 27850, 36205, 43150, 56095, 72410, 112190, 181025, 280475, 362050, 480691, 560950, 961382, 2403455, 4806910, 6248983, 12017275, 12497966, 24034550, 31244915, 62489830, 156224575, 312449150]

約数ペア:

[(1, 312449150), (2, 156224575), (5, 62489830), (10, 31244915), (13, 24034550), (25, 12497966), (26, 12017275), (50, 6248983), (65, 4806910), (130, 2403455), (325, 961382), (557, 560950), (650, 480691), (863, 362050), (1114, 280475), (1726, 181025), (2785, 112190), (4315, 72410), (5570, 56095), (7241, 43150), (8630, 36205), (11219, 27850), (13925, 22438), (14482, 21575)]